V=(4/3)pir^2

c=2pir
12=2pir
divide 2
6=pir
divide by pi
6/pi=r

sub for r
V=(4/3)pi(6/pi)^2
V=(4/3)pi(36/(pi^2))
V=(4/3)(36/pi)
V=144/(3pi)
V=48/pi
aprox pi=3.141592
V=15.2788777155

V=15.28 in^3

8 0

3 years ago

I need help on this questions #4 and #5

11Alexandr11 [23.1K]

4) 5x+8= -27
5) a÷4+1.5=b

3 0

3 years ago

Solve the following equation for y. Y= 2y+4y-3=27

sammy [17]

Answer:

$2y + 4y - 3 = 27 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 6y = 27 + 3 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 6y = 30 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: y = \frac{30}{6} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: y = 5$

4 0

3 years ago

What is the answer to A+5b=c for b? Im stuck

Nastasia [14]

I think you meant a+5(b)+c the answer is b is a unknown value

8 0

3 years ago

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